<div class="test-container">
    <div class="test-header">
        <div class="example-section">
            Column State:
            <button onclick="saveState()">Save State</button>
            <button onclick="restoreState()">Restore State</button>
            <button onclick="resetState()">Reset State</button>
        </div>
    </div>
    <div id="myGrid" class="ag-theme-quartz"></div>
</div>